
def work(a:str) :
    while( "ol" in a) :
        a=a.replace("ol","fzu")
        print(a)
def work2(a:str):
    while(a.find("ol")!=-1):
        index=a.find("ol")
        a=a[:index]+"fzu"+a[index+2:]
    print(a)
a=str(input())
work2(a)
